在漂浮育苗大棚内，选取烟草苗期常用农药，以推荐剂量和超推荐剂量，采用喷雾方式进行药剂药害试验。
Pesticides commonly used during the tobacco seedling stage were spray applied at both recommended and higher rates to determine phytotoxicity in a greenhouse floating seedling assay.
在漂浮育苗大棚内，选取烟草苗期常用农药，以推荐剂量和超推荐剂量，采用喷雾方式进行药剂药害试验。
Pesticides commonly used during the tobacco seedling stage were spray applied at both recommended and higher rates to determine phytotoxicity in a greenhouse floating seedling assay.
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